On 19 May 2010, John Levine wrote:
> If you already know what lists you're subscribed to, why would you do
> anything other than accept all the mail from the lists?
True, vanity domains likely won't bother to treat "rejectable"
differently than "except-mlist". The only difference is in a case that
shouldn't happen.
But the advantage of "except-mlist" to vanity domains is that *many* more
senders are eligible to publish it. They would otherwise use "unknown".
With the status quo, vanity domains can only protect themselves from
forgeries of:
1. The minority of senders who truly send to no mailing lists
2. Senders who recklessly assume that "all" is universally treated
as "except-mlist"
---- Michael Deutschmann <[email protected]>
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